27461928897 has 12 divisors (see below), whose sum is σ = 42718556244. Its totient is φ = 16899648480.

The previous prime is 27461928869. The next prime is 27461928917. The reversal of 27461928897 is 79882916472.

27461928897 is a `hidden beast` number, since 2 + 7 + 4 + 619 + 2 + 8 + 8 + 9 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7510648896 + 19951280001 = 86664^2 + 141249^2 .

It is not a de Polignac number, because 27461928897 - 2¹⁵ = 27461896129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27461921897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 117358554 + ... + 117358787.

It is an arithmetic number, because the mean of its divisors is an integer number (3559879687).

Almost surely, 2^27461928897 is an apocalyptic number.

It is an amenable number.

27461928897 is a deficient number, since it is larger than the sum of its proper divisors (15256627347).

27461928897 is a wasteful number, since it uses less digits than its factorization.

27461928897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234717360 (or 234717357 counting only the distinct ones).

The product of its digits is 24385536, while the sum is 63.

The spelling of 27461928897 in words is "twenty-seven billion, four hundred sixty-one million, nine hundred twenty-eight thousand, eight hundred ninety-seven".